Trial #2
Benchmark testing of ICT 1648L for Craft Beverage project.
Three pre weighed coupons of each substrate, plastic and stainless steel, were used per soil for a total of 12 coupons tested in total. Half of the stainless steel and half of the plastic coupons were soiled with tea and tea leaves with a swab. The other half of each substratenwere soiled with coffee and coffee grounds with a swab. The coupons were then baked in the oven or 40 minutes at a temperature of 200 F to adhere the soils to the coupons and to initiate staining. The dirty weights of the coupons and visual rankings were then recorded. The coupons were then subjected to 10 minutes of unheated immersion at in the cleaner with a stir bar set to 300 rpm. The cleaner was used at a 10% concentration, the dilution of the RTU concentrate . The coupons were then removed from the cleaner and the clean visual rankings were recorded. The coupons were allowed to dry overnight before clean weights were recorded. Visual rankings were based on the key below.
Visual Rankings
1= 100% soil removed
2= 75% soil removed
3= 50% soil removed
4= 25% soil removed
5= 0% soil removed
| Cleaner
|
Substrate
|
Soil
|
Initial wt of cont.
|
Final wt of cont.
|
%Cont Removed
|
AVG % soil
|
AVG % substrate
|
Overall %
|
| ICT 1648L 10% (RTU)
|
Stainless Steel
|
Tea Leaves
|
0.2638
|
0.0058
|
97.80
|
91.97
|
80.02
|
66.49
|
| 0.2361
|
0.0317
|
86.57
|
| 0.3023
|
0.0256
|
91.53
|
| Coffee
|
0.0608
|
0.0181
|
70.23
|
68.06
|
| 0.0621
|
0.0206
|
66.83
|
| 0.0359
|
0.0118
|
67.13
|
| Plastic
|
Tea Leaves
|
0.1114
|
0.0309
|
72.26
|
77.16
|
52.97
|
| 0.1684
|
0.0312
|
81.47
|
| 0.1366
|
0.0304
|
77.75
|
| Coffee
|
0.0420
|
0.0318
|
24.29
|
28.79
|
| 0.0163
|
0.0104
|
36.20
|
| 0.0143
|
0.0106
|
25.8
|
Visual:
| Cleaner
|
Substrate
|
Soil
|
Visual
|
AVG soil
|
AVG substrate
|
Overall
|
| ICT 1648L 10% (RTU)
|
Stainless Steel
|
Tea Leaves
|
1
|
1.2
|
1.1
|
1.0
|
| 1
|
| 1.5
|
| Coffee
|
1
|
1
|
| 1
|
| 1
|
| Plastic
|
Tea Leaves
|
1
|
1
|
1
|
| 1
|
| 1
|
| Coffee
|
1
|
1
|
| 1
|
| 1
|
Observations:
The cleaner left an oily residue on all coupons after air drying over night. No staining observed.
The ICT 1648L 10% (RTU) was highly effective in removing both soils from both coupons utilizing unheated immersion. There was no staining witnessed, and a majority of the coupons were visually perfect. The cleaner did leave an oily residue on all of the coupons after air drying overnight. This residue was likely picked up by the gravimetric balance, thus the gravimetric data analysis is likely underestimated. The plastic coupons seem to be more effected/ retain more of this residue than the stainless steel coupons.
No relation